Using spreadsheets or typical computer-based filing systems looks a reasonable choice for organizing personal data. Define five mini-world Entities and five Relationships for a hospital database system.

1- Using spreadsheets or typical computer-based filing systems looks a reasonable choice for organizing personal data. However, it is not sufficient to use such systems when the amount of data becomes huge. In such case, it may be time to implement a database.

2- Define five mini-world Entities and five Relationships for a hospital database system.

3-Draw an ER diagram for the following car sharing system:

In the car sharing system, a CarMatch application has record of anyone who would like – further details in the attachment.

4- Consider the following ER Diagram and fill the table by identifying the ER constructs in the diagram – further details in the attachment.